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Finding the Fourth Proportional to 67,529, 93,190.02 and 37,721

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Solution

The fourth proportional to 67,529, 93,190.02 and 37,721 is: 52,054.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,529 : 93,190.02 = 37,721 : x
  2. Step 2: Convert to fraction form
    67,529/93,190.02 = 37,721/x
  3. Step 3: Cross multiply
    67,529x = 93,190.02 × 37,721
  4. Step 4: Simplify right side
    67,529x = 3,515,220,744.42
  5. Step 5: Solve for x
    x = 3,515,220,744.42/67,529
  6. Step 6: Final answer
    x = 52,054.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.